> > - would it be a good idea to enclose variables in case expressions by
> > double quotes?
>
> Why? If the arguments won't ever have spaces in them, as is the case
> for users and groups (I hope), there is no need to.
is it ensured that these arguments, i.e. these variables, can never be
empty?
--
Georg Schwarz http://home.pages.de/~schwarz/
georg.schwarz@freenet.de +49 178 8545053